*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
}
main{
    width: 1788px;
    height: 900px;
    margin: 0 auto;
    background-color: black;
    overflow: hidden;
    position: relative;
}
.beijing{
    width: 666px;
    height: 555px;
    margin-top: 173px;
    margin-left: 275px;
    text-align: center;
}
.beijing li:nth-of-type(1){
    padding-top: 35px;
}
.beijing li:nth-of-type(2){
    font-size: 35px;
    font-weight: bold;
    padding-top: 40px;
    padding-bottom: 15px;
    color: white;
}
.beijingtu{
    width: 500px;
}
.denglukuang{
    width: 515px;
    height: 530px;
    background-color: rgb(255, 255, 255);
    position: absolute;
    right: 400px;
    top: 173px;
    border-radius: 20px;
}
.denglukuang section{
    width: 100%;
}
.denglukuang section{
    height: 86px;
    text-align: center;
    line-height:86px;
    font-size: 21px;
    font-weight: bold;
}
.denglukuang section h3{
    padding-top: 30px;
}
.denglukuang section:nth-of-type(2){
    width: 100%;
    height: 52px;
    
}

form{
    width: 450px;
    margin: 20px auto;

}

#exampleInputPassword1{
    width: 300px;
}
.verify{
    width: 140px;
    height: 45px;
    background-color: rgb(42, 115, 250);
    position: absolute;
    right: 18px;
    bottom: 267px;
    border-radius: 15px;
    line-height: 45px;
    text-align: center;
    color: white;
    font-weight: bold;
    border: 2px solid transparent;
}
.verify:hover{
    border: 2px solid rgb(68, 68, 68);
}
.denglukuang .btn{
    width: 300px;
    height: 45px;
    margin-left: 75px;
    margin-top: 30px;
    background-color: black;
    color: white;
    font-weight: bold;
    border-radius: 15px;
    transition: .2s;
}
.zhuCe{
    width: 50px;
    height: 40px;
    background-color: rgb(79, 138, 248);
    position: absolute;
    top: 10px;
    right: 10px;
    border-radius: 10px;
    line-height: 40px;
    text-align: center;
    color: rgb(0, 0, 0);
    transition: .2s;
}
.zhuCe:hover{
    background-color: black;
    color: white;
}
.form-group:nth-of-type(1) span{
    position: absolute;
    right: 20px;
    top:32px;
}
.password_xianshi{
    position: absolute;
    top:232px;
    right: 200px;
}